Test Code Folate Folate, Plasma
Performing Laboratory
NRL-Chemistry
Methodology
Chemiluminescence
Specimen Requirements
Submit only 1 of the following specimens:
Preferred:
Specimen Type: Plasma
Container/Tube: Light-green top (lithium heparin)
Specimen Volume: 2 mL
Collection Instructions:
1. Spin down unopened (vacuum intact) tube within 45 minutes of draw.
2. Label specimen as plasma.
Note: Plasma is stable for 2 days refrigerated or 4 weeks frozen. Testing will not be performed on specimens more than 2 days old.
Alternate (Non-Hospital Patient):
Specimen Type: Serum
Container/Tube: Gold top, serum gel
Specimen Volume: 2 mL
Collection Instructions:
1. Spin down unopened (vacuum intact) tube within 45 minutes of draw.
2. Label specimen as serum.
Note: Serum is stable for 2 days refrigerated or 4 weeks frozen. Testing will not be performed on specimens more than 2 days old.
Reference Values
1.0-24.8 ng/mL
>3.0 Normal
2.5-3.0 Indeterminate
<2.5 Deficient
Day(s) Test Set Up
Monday through Sunday
Turnaround Time:
Routine-shift
Specimen Transport Temperature
Refrigerate or freeze
Test Classification and CPT Coding
82746